UPSIDER
Culture.
AI Native, a challenging spirit, a people-first culture.
What it means to work at UPSIDER.
Value 01
AI Native
AI is your colleague. An organization where everyone leverages AI.
- --Claude Code company-wide standard — not just engineers, all roles use AI daily
- --AI proficiency in interviews — 'What have you built with AI recently?' is a standard question
- --AI as colleague — design, code review, analysis, every process is AI Native
Value 02
BE UPSIDER
Break norms. Challenge boldly.
Break conventions and define the future of finance ourselves. As challengers, act bolder than anyone. Don't fear failure — keep moving forward by turning it into learning. That's the UPSIDER way.
Behaviors
- --Propose what you believe is right, even without precedent
- --Share failures in postmortems, turning them into organizational learnings
- --Go beyond your role to tackle company-wide challenges
Value 03
WE PEOPLE
Diverse professionals elevate each other.
People are everything. Diverse professionals come together, elevate each other, and deliver maximum results as a team. The multiplication of individual strength and team power makes the impossible possible.
Behaviors
- --Celebrate teammates' achievements and share success
- --Give candid feedback without fear, for mutual growth
- --Everyone cooperates on new member onboarding
Dual Advantage
Mizuho
Dual Advantage
Mega-bank stability × Startup upside
Through strategic partnership with Mizuho Financial Group, a new career path has emerged that combines the bank's credibility, regulatory expertise, and network with UPSIDER's technology, speed, and culture.
Secondees from Mizuho are also thriving. Leveraging banking experience while working on the startup frontline — a challenge beyond traditional career boundaries.
Meguro ARCO TOWER
Our 430-tsubo new office is designed for collaboration. Open workspaces, focus booths, cafe areas, and meeting spaces — an environment where teams can perform at their best.
Benefits & Compensation
Stock Options
Stock options granted to all employees. Directly benefit from company growth.
Competitive Compensation
Above-market compensation. Fair evaluation based on performance and contribution.
Comprehensive Benefits
Book allowance, conference support, remote work stipend, and more to support growth.